Sokol Ronald J
Section of Pediatric Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, University of Colorado Denver School of Medicine and Children's Hospital, Box B290, 13123 E 16th Ave, Aurora, CO 80045, USA.
Pediatrics. 2009 May;123(5):e951-2. doi: 10.1542/peds.2008-3108.